Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-b9716110-12e9-11f0-8a95-7c1e52cd02ae

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

2a601776

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-e26d519c-f29d-4f1b-9674-c24906c27651

Comm: tcp://127.0.0.1:40333	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:33607	Total threads: 1
Dashboard: http://127.0.0.1:42577/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:41841
Local directory: /tmp/dask-scratch-space/worker-af3en1ky

Worker: 1

Comm: tcp://127.0.0.1:46451	Total threads: 1
Dashboard: http://127.0.0.1:34543/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:33443
Local directory: /tmp/dask-scratch-space/worker-m9glu9x7

Worker: 2

Comm: tcp://127.0.0.1:46131	Total threads: 1
Dashboard: http://127.0.0.1:44291/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:37417
Local directory: /tmp/dask-scratch-space/worker-m2rkf0uc

Worker: 3

Comm: tcp://127.0.0.1:41787	Total threads: 1
Dashboard: http://127.0.0.1:43897/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:42819
Local directory: /tmp/dask-scratch-space/worker-z9w2aszi

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)